Powder Coated Finished Electrical Vacuum Circuit Breaker Panel

Construction

Metal clad VCB cubicles are fabricated out of high quality steel sheet by sophisticated manufacturing process, stringent in process quality checks & in house production of all critical components. The panels are dust & vermin proof and with degree of protection IP4X as per IS 2147 for indoor panel & IP55 for outdoor VCB Kiosk panel.

Breaker Chamber

This consists of VCB mounted on a trolley, horizontal draw out type with self aligning type moving contacts. Fixed contacts are covered automatically by movable shutters while drawing out the VCB to ensure no direct contact with live parts.

Bus Bar Chamber

The switchgear panel is provided with single/double busbar configurations with high electrical Grade Copper / Aluminum. The 3 phase Bus bars are supported on strong epoxy insulation are fixed in delta configuration which minimizes electro mechanical stresses under short circuit conditions. Bus bars are provided with H.T. Sleeve insulation.

CT/PT, Cable Chamber

The CT/PT & Cable chamber is located at the rear side of the panel & ready access is available by operating the rear cover with safety weld mesh. It is possible to mount Core balance CTs with in the cubicle.

Outdoor VCB Kiosk

Asiatic offers Outdoor Vacuum Circuit Breaker Kiosk for direct installation on a plinth. The power supply can be taken either through roof bushings or cable box or a combination of roof bushing and cable box. The CTs/PTs and relays are in built in the metal enclosure.

Earthing (Options)

Earthing is provided through a draw-out truck with solid links on the bus bar/feeder side.

Interlocks

Interlocks are provided such that breaker closing is prevented in intermediate position between service & test/isolated positions.
Mechanical interlocks to prevent truck racking in/out when beaker is in closed position.
Breaker can be inserted only when control plug & socket is in proper position.
Control plug & socket can be removed only in isolated position.
Mechanical castle interlock with upstream/downstream isolators can be provided on request.